199 lines
8.5 KiB
C++
199 lines
8.5 KiB
C++
/*************************************************************************/
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/* os_javascript.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef OS_JAVASCRIPT_H
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#define OS_JAVASCRIPT_H
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#include "audio_driver_javascript.h"
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#include "drivers/unix/os_unix.h"
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#include "main/input_default.h"
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#include "servers/audio_server.h"
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#include "servers/visual/rasterizer.h"
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#include <emscripten/html5.h>
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class OS_JavaScript : public OS_Unix {
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private:
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VideoMode video_mode;
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bool window_maximized;
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bool entering_fullscreen;
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bool just_exited_fullscreen;
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bool transparency_enabled;
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EMSCRIPTEN_WEBGL_CONTEXT_HANDLE webgl_ctx;
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InputDefault *input;
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Ref<InputEventKey> deferred_key_event;
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CursorShape cursor_shape;
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Point2 touches[32];
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char canvas_id[256];
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bool cursor_inside_canvas;
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Point2i last_click_pos;
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double last_click_ms;
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int last_click_button_index;
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MainLoop *main_loop;
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int video_driver_index;
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AudioDriverJavaScript *audio_driver_javascript;
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VisualServer *visual_server;
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bool swap_ok_cancel;
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bool idb_available;
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bool idb_needs_sync;
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bool idb_is_syncing;
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static Point2 compute_position_in_canvas(int x, int y);
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static EM_BOOL fullscreen_change_callback(int p_event_type, const EmscriptenFullscreenChangeEvent *p_event, void *p_user_data);
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static EM_BOOL blur_callback(int p_event_type, const EmscriptenFocusEvent *p_event, void *p_user_data);
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static EM_BOOL keydown_callback(int p_event_type, const EmscriptenKeyboardEvent *p_event, void *p_user_data);
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static EM_BOOL keypress_callback(int p_event_type, const EmscriptenKeyboardEvent *p_event, void *p_user_data);
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static EM_BOOL keyup_callback(int p_event_type, const EmscriptenKeyboardEvent *p_event, void *p_user_data);
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static EM_BOOL mousemove_callback(int p_event_type, const EmscriptenMouseEvent *p_event, void *p_user_data);
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static EM_BOOL mouse_button_callback(int p_event_type, const EmscriptenMouseEvent *p_event, void *p_user_data);
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static EM_BOOL wheel_callback(int p_event_type, const EmscriptenWheelEvent *p_event, void *p_user_data);
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static EM_BOOL touch_press_callback(int p_event_type, const EmscriptenTouchEvent *p_event, void *p_user_data);
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static EM_BOOL touchmove_callback(int p_event_type, const EmscriptenTouchEvent *p_event, void *p_user_data);
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static void gamepad_callback(int p_index, int p_connected, const char *p_id, const char *p_guid);
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static void input_text_callback(const char *p_text, int p_cursor);
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void process_joypads();
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static void file_access_close_callback(const String &p_file, int p_flags);
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static void request_quit_callback();
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static void drop_files_callback(char **p_filev, int p_filec);
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static void send_notification_callback(int p_notification);
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static void fs_sync_callback();
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static void update_clipboard_callback(const char *p_text);
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protected:
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void resume_audio();
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virtual int get_current_video_driver() const;
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virtual void initialize_core();
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virtual Error initialize(const VideoMode &p_desired, int p_video_driver, int p_audio_driver);
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virtual void set_main_loop(MainLoop *p_main_loop);
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virtual void delete_main_loop();
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virtual void finalize();
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virtual bool _check_internal_feature_support(const String &p_feature);
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public:
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bool check_size_force_redraw();
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// Override return type to make writing static callbacks less tedious.
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static OS_JavaScript *get_singleton();
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virtual bool has_virtual_keyboard() const;
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virtual void show_virtual_keyboard(const String &p_existing_text, const Rect2 &p_screen_rect = Rect2(), bool p_multiline = false, int p_max_input_length = -1, int p_cursor_start = -1, int p_cursor_end = -1);
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virtual void hide_virtual_keyboard();
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virtual bool get_swap_ok_cancel();
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virtual void swap_buffers();
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virtual void set_video_mode(const VideoMode &p_video_mode, int p_screen = 0);
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virtual VideoMode get_video_mode(int p_screen = 0) const;
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virtual void get_fullscreen_mode_list(List<VideoMode> *p_list, int p_screen = 0) const;
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virtual void set_window_size(const Size2);
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virtual Size2 get_window_size() const;
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virtual void set_window_maximized(bool p_enabled);
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virtual bool is_window_maximized() const;
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virtual void set_window_fullscreen(bool p_enabled);
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virtual bool is_window_fullscreen() const;
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virtual Size2 get_screen_size(int p_screen = -1) const;
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virtual int get_screen_dpi(int p_screen = -1) const;
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virtual float get_screen_scale(int p_screen = -1) const;
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virtual float get_screen_max_scale() const;
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virtual Point2 get_mouse_position() const;
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virtual int get_mouse_button_state() const;
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virtual void set_cursor_shape(CursorShape p_shape);
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virtual void set_custom_mouse_cursor(const RES &p_cursor, CursorShape p_shape, const Vector2 &p_hotspot);
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virtual void set_mouse_mode(MouseMode p_mode);
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virtual MouseMode get_mouse_mode() const;
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virtual bool get_window_per_pixel_transparency_enabled() const;
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virtual void set_window_per_pixel_transparency_enabled(bool p_enabled);
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virtual bool has_touchscreen_ui_hint() const;
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virtual bool is_joy_known(int p_device);
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virtual String get_joy_guid(int p_device) const;
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virtual int get_video_driver_count() const;
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virtual const char *get_video_driver_name(int p_driver) const;
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virtual int get_audio_driver_count() const;
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virtual const char *get_audio_driver_name(int p_driver) const;
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virtual void set_clipboard(const String &p_text);
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virtual String get_clipboard() const;
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virtual MainLoop *get_main_loop() const;
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bool main_loop_iterate();
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virtual Error execute(const String &p_path, const List<String> &p_arguments, bool p_blocking = true, ProcessID *r_child_id = NULL, String *r_pipe = NULL, int *r_exitcode = NULL, bool read_stderr = false, Mutex *p_pipe_mutex = NULL);
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virtual Error kill(const ProcessID &p_pid);
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virtual int get_process_id() const;
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int get_processor_count() const;
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virtual void alert(const String &p_alert, const String &p_title = "ALERT!");
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virtual void set_window_title(const String &p_title);
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virtual void set_icon(const Ref<Image> &p_icon);
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String get_executable_path() const;
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virtual Error shell_open(String p_uri);
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virtual String get_name() const;
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virtual void add_frame_delay(bool p_can_draw) {}
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virtual bool can_draw() const;
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virtual String get_cache_path() const;
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virtual String get_config_path() const;
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virtual String get_data_path() const;
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virtual String get_user_data_dir() const;
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virtual OS::PowerState get_power_state();
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virtual int get_power_seconds_left();
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virtual int get_power_percent_left();
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virtual bool is_userfs_persistent() const;
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Error open_dynamic_library(const String p_path, void *&p_library_handle, bool p_also_set_library_path);
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OS_JavaScript();
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};
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#endif
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